we consider path-based protection methods for twolink failures in mesh optical networks. Two link-disjoint backup paths are pre-computed for each source and destination node pair. We identify the scenarios where the backup paths can share their wavelengths without violating 100% restoration guarantee (backup multiplexing). We use integer programming to optimize the total capacity requirement fo...

We propose a design of self-healing ATM virtual path (VP) networks based on backup VP. The backup VP is a preassigned virtual path to restore the traffic after a network failure. It is known that the self-healing scheme based on the backup VP is simple, fast and easy to implement. Given a set of bandwidth requirements and original routes for target demands, the design is to find the backup rout...

In this paper we present a comparative study of two schemes to provide survivability for guaranteed QoS connections in a possible Next Generation Internet network architecture. In the first scheme a QoS connection is provided standby backup resources on a disjoint path by reserving resources on both the working and backup path. In order to reduce the amount of backup resources required a method...

This white paper highlights integration features implemented in EMC Avamar with EMC Data Domain deduplication storage systems to allow high-speed data backup directly to Data Domain systems. The components outlined in this paper will provide IT backup administrators & consultants with a technical foundation to architecting efficient combined data deduplication backup solutions. February, 2014

Current practice of backing up data is based on using backup tapes and remote locations for storing data. Nowadays, with the advent of cloud computing a new concept of database backup emerges. The paper presents the possibility of making backup copies of data in the cloud. We are mainly focused on performance and economic issues of making backups in the cloud in comparison to traditional backup...

In this paper we present new concepts to resolve ECU (Electronic Control Unit) failures in FlexRay networks. Our approach extends the FlexRay bus schedule by redundant slots with modifications in the communication and slot assignment. We introduce additional backup nodes to replace faulty nodes. To reduce the required memory resources of the backup nodes, we distribute redundant tasks over diff...

A mesh-restored lightpath in an optical network has a primary route and a diversely routed backup route. The wavelength channels on the primary route of a mesh-restored lightpath are dedicated for that lightpath whereas the wavelength channels on the backup route are shared among different mesh-restored lightpaths. Wavelength channels are shared in a way that ensures restoration of all lightpat...

ln this paper, we propose a fast restoration mechanism for virtual path-based ATM networks. Given an ATM network topology, the capacity of each physical link, and the primary virtual path (VP) layout at system initialization, the proposed mechanism pre-assigns to each primary VP one backup VP such that (PI) the failure of a single node/link does not lead to the failure of both the primary and b...

In this article, we introduce the concept of backup plans as a motivational construct, defined as alternative means to an end that are intentionally developed but are not initially (or ever) used. We posit that backup plans change the way that a person pursues a goal, as well as the likelihood of achieving it, even if the backup plans are never used. In some cases, backup plans are a safety net...